AP EAMCET Medical 17 May 2024 Shift 1 Paper

Question : 123 of 160

Marks: +1, -0

The first ionization enthalpy ( IF1 ) and second ionization enthalpy ( IF2 ) of Mg(g) are 178 and 348 k‌cal‌mol‌‌−1 respectively. The energy required for the reaction Mg(g)⟶Mg2+(g)+2e− (in k.cal‌mol−1 ) is